... IGBT induction hardening equipment,IGBT induction hardening furnace,igbt induction hardening machine,igbt induction furnaceHigh quality induction hardening machine ... Machine tool bed surface,machine tool guideways,etc hardening.Hardening features:1.adopt IGBT, energy saving2.steady ... ,the quality of process is high. Application areas: hardening: handtools,Shafts ,SAE steel, Gears, Bolts, Hammers ...